Move Over Ken Jennings, IBM's Watson Is Here

Watson, a computer designed over the course of four years, costing hundreds of millions of dollars, will be one of the three contestants on "Jeopardy!" next week. The IBM machine is designed to decipher English-language clues and then search more than half-million books for the answer; and it does it all under three seconds.

“
What a person has that Watson doesn't have is sometimes Watson doesn't know when its answer is completely ridiculous. It comes up with answers that you're surprised, how the hell did it know that, but other times its answers are why didn't it know that that was silly and a person does know that it's silly.